//获取最新变动日
v:=vselect ['截止日'] from infotable 137 of SCID
where ['截止日']<=datetoint(Endt) order by ['截止日'] desc end;
if ifnil(v) then return '指定日还没有交易时间';
else begin
return select ['竞价性质'],['开始时间'],['截止时间']
from infotable 137 of SCID
where ['截止日']=v
order by ['序号']
end;
end